US2424012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of molded articles from coal
Assignee: CD Patents Ltd
•
Filing: 1943-06-17
•
Granted: 1947-07-15
•
Expires: 1963-06-17
Abstract
No abstract record available.
Inventors
- 👤 Bangham Donald Hugh
- 👤 Bennett John Godolphin
- 👤 Brown Robert Leslie
- 👤 Hirst Wallace
- 👤 Pirani Marcello
- 👤 Jennings Rodney Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:58
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C10; C10L; C10L5/00; C10L5/02; C10L5/06; C10L5/08; C14; C14C; C14C9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1891893A
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US1866287A
Cited
US2092502A
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US2079343A
Cited
US2114121A
Cited
US2146532A
Cited
US2230654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |